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letterPositions.js
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letterPositions.js
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const letterPositions = function(sentence) {
const results = {};
// logic to update results here
for (let i = 0; i < sentence.length; i++) {
if (sentence[i] === ' ') continue;
if (results[sentence[i]]) {
results[sentence[i]].push(i);
} else {
results[sentence[i]] = [i];
}
}
return results;
};
// console.log(letterPositions('lighthouse in the house'));
const result = letterPositions('lighthouse in the house');
const eqArrays = (array1, array2) => {
if ((!Array.isArray(array1) || !Array.isArray(array1)) && array1 === array2) {
return true;
}
if (array1.length !== array1.length) {
return false;
}
for (let x = 0; x < array1.length; x++) {
if (array1[x] !== array2[x]) {
return false;
}
}
return true;
};
const assertArraysEqual = function(array1, array2) {
if (eqArrays(array1, array2)) {
console.log(`✅✅✅ Assertion Passed: ${array1} === ${array2}`);
} else {
console.log(`🛑🛑🛑 Assertion Failed: ${array1} === ${array2}`);
}
};
assertArraysEqual(result.n, [12]);
assertArraysEqual(result['h'], [3, 5, 15, 18]);
assertArraysEqual(result['r'], undefined);